hostname R1 ! enable secret class ! no ip domain-lookup ! spanning-tree mode pvst ! interface FastEthernet0/0 description Subnet A ip address 192.168.0.1 255.255.255.128 duplex auto speed auto no shutdown ! interface FastEthernet0/1 description Subnet B ip address 192.168.0.129 255.255.255.192 duplex auto speed auto no shutdown ! interface Serial0/0/0 description Link to R2 ip address 192.168.0.193 255.255.255.252 clock rate 64000 no shutdown ! interface Vlan1 no ip address shutdown ! ip route 172.16.0.0 255.255.255.128 Serial0/0/0 ! banner motd ^C !!!ACCESS DENIED!!! ^C ! line con 0 password cisco login line vty 0 4 password cisco login ! end